Mean transit time measurement by analysis of a single stool after ingestion of multicolored plastic pellets

1987 ◽  
Vol 46 (6) ◽  
pp. 1048-1054 ◽  
Author(s):  
J Stevens ◽  
P J VanSoest ◽  
J B Robertson ◽  
D A Levitsky
Keyword(s):  
Transit Time ◽  
Mean Transit Time ◽  
Time Measurement ◽  
Transit Time Measurement ◽  
Plastic Pellets

The Effects of Thromboxane Antagonism on the Transit Time of Platelets Through the Spleen

1985 ◽  
Vol 54 (02) ◽  
pp. 495-497 ◽  
Author(s):  
A M Peters ◽  
I F Lane ◽  
M Sinclair ◽  
J T C Irwin ◽  
C N McCollum
Keyword(s):  
Transit Time ◽  
Mean Transit Time ◽  
Thromboxane A2 ◽  
Time Measurement ◽  
Thromboxane A2 Receptor ◽  
Group Research ◽  
The Mean ◽  
A Site ◽  
Kinetics Of ◽  
Transit Time Measurement

SummaryThe spleen is well-known as a site for platelet pooling, although the mechanisms controlling intrasplenic platelet transit are essentially unknown. We tested the possibility that thromboxane A2 might be involved in this control by measuring intrasplenic platelet transit time in 10 subjects receiving a specific thromboxane A2 receptor antagonist (AH23848B; 70 mg; Glaxo Group Research Ltd), in 10 receiving aspirin (300 mg) plus dipyridamole (75 mg), and in 9 receiving placebo. All doses were administered 3 times daily commencing 4 days prior to transit time measurement.Mean intrasplenic platelet transit time was measured by monitoring the kinetics of equilibration of 111In radiolabelled platelets between blood and spleen following intravenous injection. There was no difference between the mean transit time in the 3 groups of subjects, lending no support to the hypothesis that thromboxane A2 is involved in the control of platelet traffic through the spleen.

scholarly journals S1338 Error in Colonic Transit Time Measurement by Radiopaque Markers in Noncompliant Patients

2010 ◽  
Vol 138 (5) ◽  
pp. S-232
Author(s):  
Michel Bouchoucha ◽  
Lassad Chtourou ◽  
Gheorghe Airinei ◽  
Robert Benamouzig
Keyword(s):  
Transit Time ◽  
Time Measurement ◽  
Colonic Transit ◽  
Colonic Transit Time ◽  
Radiopaque Markers ◽  
Transit Time Measurement
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